Reimbursements accepted under subsection (a)(3) of this section shall be deposited in the Treasury to the credit of the appropriations then current and chargeable for the cost of providing services described in subsection (a)(1) of this section and the travel expenses described in subsection (a)(2) of this section.

(c) Continuation of certain services

Notwithstanding any other provision of this section, the Secretary may continue to provide facilities and necessary support services to the Foundation after the termination of the 5-year period specified in subsection (a) of this section, on a space available, reimbursable cost basis.